Home / Standards / GB/T 38537-2020 GB/T 38537-2020 Active Ultrasonic testing method for fiber reinforced resin matrix composites—C-scan method 纤维增强树脂基复合材料超声检测方法 C扫描法 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A